CAT’s Inside Line: TecDoc

Both factors and workshops can benefit from the systems that TecDoc and sister company AuDaCon can provide those that need to correctly identify and supply replacement parts and those actually undertaking repair or service work.

The examples below are common faults that occur on various versions of the Audi A4 and which have been sourced using the AuDaCon system in conjunction with its SOS service recall option. Not only does it identify likely faults, it also points the technician in the right direction in those instances where the most obvious solution may in fact be the wrong one.

AUDI A4 (8K2, B8) 1.8 TFSIBattery Faults

Example 1

Fault symptoms: Display of the instrument cluster shows warning of starting troubles

Causes: Production defect

Remedy: Install a battery with a higher capacity

Concerns the following vehicles:

Audi A4 (8K_) chassis numbers: 8A000232 to 049349

8N000108 to 030202

9A000263 to 050535

9N000118 to 011968

9Y700002 to 700004

Required parts: Part number:

110Ah Battery 000 915 105 AK

95 Ah Battery 000 915 105 AH

Cap 8K0 915 429 G

A franchised dealer would check whether the vehicle is affected by this job. This should be documented in the service booklet if it has already been undertaken.

Required labour times: Task Scheduled Time:

Audi A4 (8K2) Replace/teach the battery 0.7 hours

Audi A4 Avant (8K5) Replace/teach the battery 0.9 hours

Example 2

Fault symptoms: Wrong battery has been installed

Causes: Production defect

Remedy: Replace the battery

Concerns the following vehicles:

Audi A4 (8K_) 2011 model year

Required parts: Part number:

92Ah Battery 000 915 105 CE

Required labour times: Task Scheduled Time:

Audi A4 (8K2) Replace battery 1.0 hours

Audi A4 Avant (8K5) Replace battery 1.2 hours

Audi A4 Allroad (8KH) Replace battery 1.2 hours

AUDI A4 (8K2, B8) 1.8 TFSIClutch Slave Cylinder

Fault symptoms: Gear shifting problems

Causes: Air in clutch system

Remedy: Replace clutch slave cylinder

Concerns the following vehicles:

Audi A4 (8K_)

Required parts: Part number:

Clutch slave cylinder 8K0 721 257 A

Brake fluid B 000 750 S0

A franchised dealer would check whether the vehicle is affected by this job.

Required labour times: Task Scheduled Time:

Audi A4 (8K2) Replace clutch slave cylinder 0.6 hours & bleed clutch system

AUDI A4 (8K2, B8) 1.8 TFSIIgnition Coil

Fault symptoms: Sporadic misfiring

Causes: Production defect

Remedy: Replace ignition coils

Required parts: Engine: Part number:

Ignition coil set 1.8 TMPI, 2.0MPI 06A 905 115 D

1.8 TFSI, 2.0 FSI, 2.0 TFSI 07K 905 715 F

2.4 MPI, 2.8FSI, 3.2 FSI, 5.2 FSI 06E 905 115 E

2.7 TMPI, 3.0 MPI 06C 905 715 M

3.2 MPI 022 905 715 B

3.6 FSI 022 905 715 A

3.7 MPI, 4.2 MPI 077 905 155 T

6.0 MPI 07C 905 715 A

4.2 FSI 06E 905 115 E

07K 905 715 F

AUDI A4 (8K2, B8) 1.8 TFSICamshaft Adjusting Valve

Fault symptoms: Power loss, engine damage and clogging

Causes: Production defect

Remedy: Replace camshaft adjustment bracket

Concerns the following vehicles:

Audi A4 (8K_) Engine: 1.8 TFSI, 2.0 TFSI

Required parts: Part number:

Holder of camshaft adjustment 06H 103 144 J

Seal 06H 103 483 D

06H 103 483 C

Screws M6 x 16 N 910 967 01

Cylinder screws M8 x 16 000 010 006

A franchised dealer would check whether the vehicle is affected by this job. If the action has already been carried out, there will be a sticker in the region of the spare wheel recess and the actions will be documented in the service booklet.

Required labour times: Task Scheduled Time:

Audi A4 (8K_) Replace camshaft adjustment 1.0 hour

bracket

Procedure:

Remove the engine cover. Remove the camshaft adjustment solenoid valve. Remove the upper timing case cover. Unscrew and remove the camshaft adjustment bracket screws (1 on the accompanying camshaft Adjusting Valve image). Replace camshaft adjustment bracket (23 on the accompanying camshaft Adjusting Valve image).

AUDI A4 (8K2, B8) 1.8 TFSIEarth Cable

Fault symptoms: Short circuit

Causes: Water ingress in earth cable

Remedy: Check earth connection cable run and modify if necessary

Concerns the following vehicles:

Audi A4 (8K_)

Required parts: Part number:

Nuts x 7 OE (WHT 003 207)

A franchised dealer would check whether the vehicle is affected by this job. If the action has already been carried out, the actions will be documented in the service booklet.

Required labour times: Task Scheduled Time:

Audi A4 (8K_) Check earth connection cable 0.3 hours without engine-

run and modify if necessary independent heating

0.6 hours with engine-independent heating

Procedure:

Remove the front wheel arch liner. Remove the underside guard. No work is needed if the earth lead is screwed horizontally or vertically to the side rail and is not jacketed with corrugated tube. Remove corrugated tube if the earth lead is vertically screwed and jacketed with corrugated tube. Unscrew nuts (1 on the accompanying Earth Cable image), remove corrugated pipe (2 on the accompanying Earth Cable image). Installation is in the reverse order of removal.

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